To find proof as to whether he is "in love" or not, Yukimura pats Himuro on the head from point-blank range. Seeing this, Ibarada, an upperclassman in the Ikeda Lab, talks about the need for a control experiment. In other words, in order to prove that the racing of his heart is because of Himuro specifically and not just because he's facing a woman, Yukimura has to pat Kanade and Ibarada on the head too. Himuro, on the other hand, sets out to prove that food made with love tastes better and cooks, but...
That's some crazy stuff you're 
doing there, you two.
.أنتما الاثنان تقومان بأمور جنونيّة
Ihr treibt hier echt abgefahrene
Sachen miteinander.
Hacen cosas muy raras.
Hacéis cosas muy raras.
Vous êtes vraiment bien barrés,
State facendo delle cose assurde, voi due.
Vocês dois estão fazendo
uma coisa bem doida, hein?
Вижу, вы тут, ребята, занимаетесь 
чем-то очень и очень странным.